Thinking about a Decentralised Reddit Alternative
medium.com
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It would be very heavily censorship resistant, give a lot of control to community users rather than venture capitalists and completely kill any 'lock in' effects to name but a few.
I'm serious. Moderated communities with clear rules (usually "no advertising, no personal attacks") and organized sections.
And sysops could clean up after the community, by putting messages where they belonged and pruning threads.
Damn, I miss it.
rec.humor.funny was a well-known example.
The key element is moderators who knew what they were doing.
But I think the difference is that Usenet required a separate client to access, at least until those online readers like Google Groups came out after it was mostly dead.
Maybe something like this could work better with sites accessed through plain http?
And, ultimately, spam prevailed.